CafePress.com won't disclose revenues except to say that they are growing.
He would not disclose current revenues, but said they exceeded $1 million last year.
The other major players, all corporate units, do not disclose revenues.
Google, a private company, does not disclose revenue or profit.
As the paper is privately owned, he declined to disclose revenues or losses.
The company sold all of its operating businesses in March 1989 and did not disclose revenues for the year-earlier period.
American companies with publicly traded stock disclose revenues and profits quarterly.
Facebook is privately held and a spokesman told me that it does not disclose revenue or any information about its ad sales.
Apotex, which now employs about 4,000 people, is privately held and does not disclose revenue or profits.
The Garden will not disclose revenues or income.